package esn.classes;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;

public class EsnCameras {
	public static final int MEDIA_TYPE_IMAGE = 0;
	public static final int MEDIA_TYPE_VIDEO = 1;
	public static final int TAKE_PICTURE_REQUEST_CODE = 1111;
	//picture uri
	public Uri fileUri;
	//context
	private Activity activity;
	public EsnCameras(Activity act){
		activity = act;
	}
	
	public void takePicture(){
		Intent intent = new Intent(
				android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
		// intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
		fileUri = getOutputMediaFileUri(EsnCameras.MEDIA_TYPE_IMAGE);
		intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
		activity.startActivityForResult(intent, EsnCameras.TAKE_PICTURE_REQUEST_CODE);	
	}
	
	/** Create a file Uri for saving an image or video */
	public Uri getOutputMediaFileUri(int type){
	      return Uri.fromFile(getOutputMediaFile(type));
	}
	/** Create a File for saving an image or video */
	public File getOutputMediaFile(int type){
	    // To be safe, you should check that the SDCard is mounted
	    // using Environment.getExternalStorageState() before doing this.

	    File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(
	              Environment.DIRECTORY_PICTURES), "MyCameraApp");
	    // This location works best if you want the created images to be shared
	    // between applications and persist after your app has been uninstalled.

	    // Create the storage directory if it does not exist
	    if (! mediaStorageDir.exists()){
	        if (! mediaStorageDir.mkdirs()){
	            Log.d("MyCameraApp", "failed to create directory");
	            return null;
	        }
	    }

	    // Create a media file name
	    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
	    File mediaFile;
	    if (type == MEDIA_TYPE_IMAGE){
	        mediaFile = new File(mediaStorageDir.getPath() + File.separator +
	        "IMG_"+ timeStamp + ".jpg");
	        
	    } else if(type == MEDIA_TYPE_VIDEO) {
	        mediaFile = new File(mediaStorageDir.getPath() + File.separator +
	        "VID_"+ timeStamp + ".mp4");
	    } else {
	        return null;
	    }

	    return mediaFile;
	}
}
